National Geographic invites photographers from around the world to enter the 2013 National Geographic Photography Contest. The grand-prize winner will receive $10,000 (USD) and a trip to National Geographic headquarters in Washington, D.C., to participate in the annual National Geographic Photography Seminar in January 2014. Photo: “We just want to move to search to the Leopard at that morning but we found a group of giraffes come toward a small lake and start drinking it was a nice moment when the Giraffe finish from drinking and leave a letters “S” with motion in the air”. (Photo and caption by Majed Ali/National Geographic Photography Contest)

A coil-shaped Helix Nebula showing a fine web of filamentary “bicycle-spoke” features embedded in the colorful red and blue ring of gas. At 650 light-years away, the Helix is one of the nearest planetary nebulae to Earth. A planetary nebula is the glowing gas around a dying, Sun-like star. (Photo by Reuters/NASA)

American actress Alison Brie is seen exiting “Watch What Happens Live” studio on February 08, 2023 in New York City. (Photo by MediaPunch/Bauer-Griffin/GC Images)

Tsetse, six-year-old daughter of Dukha herder Erdenebat Chuluu, sits among her family's reindeer in a forest near the village of Tsagaannuur, Khovsgol aimag, Mongolia, April 21, 2018. Nyamaa is an ethnic Darkhad, herders of northern Mongolia who have historically inhabited the steppe that borders the Taiga forests. (Photo by Thomas Peter/Reuters)

A statue is seen at the theme park “Love Land” on October 19, 2011 in Jeju, South Korea. Love Land is an outdoor sеx-themed sculpture park which opened in 2004 on Jeju Island. The park runs sеx education films and features 140 sculptures representing humans in various sеxual positions. It also has other elements such as large phallus statues, stone labia, and hands-on exhibits such as a “masturbation-cycle”. (Photo by James Jiao/Rex Features/Shutterstock)

Street photographer Yassine Alaoui Ismaili follows 16-year-old Emeer Guesmi, aka B-boy Zulu Rema, as he trains and performs breakdance moves – all without the use of his legs. At a breakdance championship in Tunisia, Casablanca-based street photographer Yassine Alaoui Ismaili noticed an unusual competitor: Emeer Guesmi, dancing without the aid of his lower legs. He started following him as he trained and performed. (Photo by Yassine Alaoui Ismaili/The Guardian)

In 1994, after the fall of the Soviet Union, all Ukrainians had to get a new passport – and photographer Alexander Chekmenev was on hand to take their photos. The snatched extra shots he took are remarkable in their honesty and tenderness. (Photo by Alexander Chekmenev/The Guardian)

More than 1,500 snappers submitted their most hilarious pictures of all creatures great and small, and now 45 have made the cut. From drunken-eyed owls to embarrassed chipmunks and laughing goats – the finalists in the Comedy Wildlife Photography Awards are guaranteed to raise a smile. Here: 'Dancing sifaka'. (Photo by Alison Buttigieg/Comedy Wildlife Photography Awards/Mercury Press)